public class Test {

    public static void main(String[] args) {
        Dog dog=new Dog();

    }
}

class Animal{

public void func(){
    System.out.println("动物");
}

public Animal(){
    func();
}


}


class Dog extends Animal{

    int num=999;
    public void func(){
        System.out.println("狗");
        System.out.println(num);
    }


}